About Us

Johnstech Philippines (JTP) is a new subsidiary of Johnstech  with main headquarters based in Minneapolis, MN. JTP is strategically located in Laguna Technopark in Binan Laguna, one of the export processing zones designated by the Philippine Export Zone Authority (PEZA). As a PEZA registered company, JTP serves as the logistics support, field service engineering and manufacturing assembly hub for the Philippine-based customers as well as of Greater Asia.

Connie Mackenzie

Director of Asia Sales & Marketing/JTP President

Connie MacKenzie has been in the Electronics/ Semiconductor Business for 25 years. In the past he has worked with such companies as Globalstar, RF Micro Devices (RFMD) and Qorvo. He has roles in RF Design, Component Engineering, Manufacturing, Program Management as well as Business Development and Marketing. Working internationally for much of the last 15 years Connie will bring this experience as the President of Johnstech Philippines. Connie will continue his Marketing role and is looking forward to working closely with Johnstech’ s Asian customers to assist them in achieving their current and future goals.

Ace ArricivitaAce Arricivita

Sr. Field Service Engineer

Ace Arricivita has more than twelve years of semiconductor industry experience, specifically focused on Test and Probe. He holds a Bachelor’s Degree in Electronics and Communications Engineering from the University of St La Salle (Bacolod) and is currently based in Laguna, Philippines.


Leizel F. Hao


Ana-Liza Hao is responsible for supporting the third-party accounting services provider to Johnstech. Before joining Johnstech, Ana- Liza was an Admin and Account Officer for Dearborn Motors Co., Inc. and DIGI Software Phils., Inc. She’s a bookkeeper  for Viva Television, Inc.


Avie DeVillaAvie R. De Villa

Office and Compliance Manager

Avie R. De Villa has 20 years of professional experience covering multi-disciplinary phases of Supply Chain in Semiconductor  and Automotive Industry. Holds a Bachelor’s Degree in Commerce Major in Marketing from Centro Escolar University Mendiola, Manila.

Ernie Jose

Ernie Jose

Regional Sales Manager

Ernie Jose has focused in Sales and Service Support in the Semiconductor industry for the last 20 years. He graduated from the University of the East with Bachelor of Science degree in Electronics and Communication Engineering.

Hazel-ChristomoHazel B. Crisostomo

Material and Logistics Assistant

With almost 12 years of experience as a Logistics Officer in the auto parts and semiconductor industries, Hazel Crisostomo is in charge of compliance for both PEZA and BOC. She graduated with a BSBA major in Management in DLSP, San Pablo City , Laguna.


Garry Chan

Engineer Design Supervisor

With over 22 years in the semiconductor industry, Garry Chan is responsible for generating feasibility layouts and load board comparisons to support the sales department and customers. He was most recently at JM Precision Tools Corporation as a design engineer and is a certified user of Solidworks professional Mechanical Design. Garry holds a Bachelor of Science in Mechanical Engineering from Manuel S. Enverga University and is based in Cavite City.


Joey Magpantay

Sr. Field Service Engineer

Joey Magpantay is a a semiconductor professional with 20 years of experience in Testing and Hardware Management. He holds a Bachelor’s Degree in Electronics and Communication Engineering from Saint Louis University and is based in Baguio City.

Wilfred Sy

Account Manager

Wilfred Sy is part of the Sales department supporting Strategic and Key Accounts in the Philippines.   He holds a Bachelor’s Degree in Electronics and Communications Engineering from De La Salle University and a Master’s in Business Management from Asian Institute of Management.  Wilfred has 20 years of work experience in design, sales, and purchasing in the semiconductor industry.

Our experienced professionals are local to you in the Philippines and are ready to help you get to your best solution—faster. Contact us for a free consultation today.